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Product Details
Product Introduction
The HM-CWF3 is a full-wavelength ultra-micro spectrophotometer covering the 190–850 nm spectral range, designed for research and analytical laboratories that require flexible wavelength operation beyond the three standard nucleic acid measurement points. By providing continuous full-spectrum scanning capability, the HM-CWF3 enables absorption spectrum acquisition, custom wavelength quantification, and colorimetric method execution — all within the same compact, all-in-one platform.
In addition to nucleic acid and protein UV absorbance measurement, the HM-CWF3 integrates an OD600 bacterial culture module with a cuvette detection pathway for direct bacterial concentration monitoring. The 190–850 nm wavelength range opens the instrument to a broader set of analytical protocols compared to three-wavelength-only models, including specialized dye-based colorimetric assays and wavelength-specific analyte quantification.
The instrument retains all the hardware advantages of the CWF series: UV-enhanced CMOS linear array detector, pulsed xenon lamp (PP value <0.5%), three-light-path motor switching (0.04 mm / 0.2 mm / 1.0 mm), and a liquid column surface tension sample platform requiring only 0.5–2 µL per measurement. The 7-inch Android 10 touchscreen interface provides dedicated modules for Nucleic Acid Test, Protein Test, OD600, UV-Vis full-spectrum scan, and Colorimetric Method, supporting both routine and advanced analytical workflows.
Applications / Testing Items
Full-spectrum UV-Vis absorbance scanning (190–850 nm) for unknown samples
Custom wavelength quantification for specialized biomolecules and dyes
Nucleic acid quantification with purity ratio analysis (A260/A280, A260/A230)
Protein concentration measurement by UV absorbance (BSA standard method)
Colorimetric assays using BCA, Bradford, Coomassie, or other reagent-based methods
OD600 bacterial culture monitoring for microbial growth kinetics
Absorbance kinetics studies and time-course experiments
Food additive colorimetric detection and agricultural residue screening
Functional Performance / Features
Full wavelength range 190–850 nm: Enables complete UV-Vis spectral scanning beyond fixed-point measurement, supporting a wider range of analytical protocols and custom assay development.
OD600 bacterial culture module with cuvette pathway: Dedicated optical path for bacterial and culture media concentration; OD600 absorbance range 0–4 Abs, stability ≤1%, repeatability ≤1%.
Colorimetric Method module: Supports standard colorimetric assays (BCA, Bradford, Coomassie, etc.) using the full spectral capability for flexible reagent-based quantification.
Custom wavelength selection: Researchers can define specific measurement wavelengths for analytes not covered by fixed-wavelength configurations.
Three-light-path automatic switching (0.04 / 0.2 / 1.0 mm): Motor-driven optical path selection extends measurable range to 0.04–300 A equivalent across the full 190–850 nm spectrum.
No-dilution, no-consumable design: Liquid column surface tension technology supports 0.5–2 µL direct loading without cuvettes or capillaries.
High-stability pulsed xenon lamp (PP value <0.5%): Broadband light source with minimal fluctuation for consistent full-spectrum measurements.
UV-enhanced CMOS linear array detector: Absorbance precision 0.003 Abs, accuracy ±2% (0.76 Abs @ 260 nm) across the complete wavelength range.
Detection time <6 seconds per measurement: Full-wavelength scan results delivered rapidly for efficient analytical workflows.
Android 10, 7-inch HD touchscreen: Dedicated modes for UV-Vis scanning, colorimetric analysis, and standard nucleic acid/protein quantification in a unified interface.
Wi-Fi + Ethernet connectivity, USB export: Full data management with cloud upload capability and over-the-air software updates.
7000 mAh lithium battery (21.6 V), 8-hour runtime: Portable bench-top flexibility for field labs and multi-station laboratory environments.
Main Parameters
| Parameter | Specification |
|---|---|
| Model | HM-CWF3 |
| Detection Module | Ultra-micro nucleic acid & protein detection, OD600 bacterial solution detection |
| Wavelength Range | 190–850 nm (full wavelength) |
| Sample Volume | 0.5–2 µL |
| Nucleic Acid Testing Range | 2–15,000 ng/µL (dsDNA) |
| Protein Detection Range | 0.05–400 mg/mL (BSA) |
| Detection Time | <6 s |
| OD600 Absorbance Range | 0–4 Abs |
Technical Parameters
| Parameter | Specification |
|---|---|
| Optical Path | 0.2 mm, 0.04 mm (high concentration); 1.0 mm (standard concentration) |
| Light Source | Xenon flashlight (pulsed xenon lamp) |
| Detector | UV-enhanced CMOS linear array sensor |
| Absorbance Precision | 0.003 Abs (0.2 mm optical path) |
| Absorbance Accuracy | ±2% (0.76 Abs @ 260 nm) |
| Absorbance Range | 0.04–300 A (equivalent to 10 mm optical path) |
| OD600 Absorbance Stability | ≤1% |
| OD600 Absorbance Repeatability | ≤1% |
| Fluorescence Detection | Not available |
| Operating System | Android 10 |
| Display | 7-inch HD color touchscreen |
| Connectivity | Wi-Fi, Ethernet, USB |
| Data Storage | 10,000–100,000 entries, searchable, exportable via USB |
| Power Adapter | 45 W fast charging |
| Battery Capacity | 21.6 V / 7000 mAh |
| Power Consumption | 25 W (standby: 10 W) |
| Size & Weight | 325 mm × 227 mm × 211 mm; 5.15 kg |
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